Summary

Dr. Mercedes Tomioka is an internal medicine physician with three decades of experience caring for patients. She earned her medical degree from Universidad Nacional Mayor De San Marcos Facultad De Medicina San Fernando and completed her residency at UC Davis Medical Center. Dr. Tomioka brings extensive expertise to her practice and is fluent in Spanish, English, and Japanese.

Dr. Tomioka practices at Hoag Hospital Irvine in Irvine, California. She specializes in managing high cholesterol in children and teens, hyperlipidemia, and hypertension. Her approach includes comprehensive blood work and strength training programs to help patients achieve optimal health. Patients rate Dr. Tomioka 4.4 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • 4.4
  • 30 years of experience
  • 40 insurance plans accepted
  • speaks Spanish, English, Japanese
  • Uc Davis Medical Center
  • 2 written reviews
  • 1 specialty
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Dr. Mercedes Tomioka

16300 Sand Canyon Ave Ste 311Irvine, CA 92618

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Dr. Mercedes Tomioka, MDDr. George Mousa, MDEric HarkerKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
3.9 
30 Years of Experience 17 Years of Experience 25 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English, Japanese Speaks English Speaks English, Tamil
Irvine , CAUpland , CALyons , COLos Altos , CA
Med School: Universidad Nacional Mayor De San Marcos Facultad De Medicina San Fernando Med School: University Of Aleppo Faculty Of Medicine Med School: Duke University School Of Medicine Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Mercedes Tomioka

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - Medicare
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • CalOptima - Medicaid (Managed)
  • Cigna
  • Cigna - EPO
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Hawaii Medical Service Association (HMSA)
  • Health Net
  • Health Net - HMO
  • Humana
  • Independence Blue Cross
  • Kaiser Permanente
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Medicare - PPO
  • Molina Healthcare
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • Western Health Advantage

Medical Specialties

Dr. Mercedes Tomioka has the following specialty

Specialty Expertise

Dr. Mercedes Tomioka has the following 9 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • EOL Care
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

30 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Expired

EDUCATION & TRAINING

Residency

Uc Davis Medical Center

Medical School

Universidad Nacional Mayor De San Marcos Facultad De Medicina San FernandoGraduated in 1996

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Frequently Asked Questions

Is Dr. Mercedes Tomioka accepting new patients?
Dr. Mercedes Tomioka has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mercedes Tomioka speak?
Dr. Mercedes Tomioka speaks Spanish, English, and Japanese.
Where is Dr. Mercedes Tomioka's office located?
Dr. Mercedes Tomioka's office is located at 16300 Sand Canyon Ave Ste 311, Irvine, CA, 92618.
Does Dr. Mercedes Tomioka accept my insurance?
You can see the insurance plans that Dr. Mercedes Tomioka accepts on their Vitals profile.
How can I make an appointment with Dr. Mercedes Tomioka?
You can find contact information for Dr. Mercedes Tomioka here on Vitals.

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